here now tyler mathisen and john harbaugh. >> good morning, everybody, and welcome to cnbc's coverage of the second inauguration of barack obama. the 57th inaugural of an american president. between a half a million and 800,000 people are estimated to attend today's festivities. most of them not very close to the capitol where the swearing in will take place. that's roughly a third of the number who attended president obama's first inauguration four years ago. once again welcome, everybody. i'm tyler mathisen joined by cnbc's chief washington correspondent john harwood. great to be with you on this day of history. >> welcome to d.c. >> good to see you. the oath of office will take place in about 50 minutes, but today, of course, is all about the ceremony. you probably know this already, yesterday chief justice john roberts officially administered the oath in a small, private ceremony in the blue room at the white house as per the constitution. >> this morning the president and the vice president attended church services with their families at st. john's church, an inauguration day tra